Your bike wheels may have one of two valves for adding air to them: a Schrader valve or a Presta valve.
A majority of our bike wheels have Schrader Valves. These can be easily filled with any air pump and is the same type of valve found on a car tire. Any stock bike without wheel changes will have one of these as well as some bikes with custom wheelsets.
A few of of our bikes with specialized custom wheelsets may have Presta Valves. These include the Ultra Eagle series of bikes and bikes in the Juggernautline with custom wheelsets. A wheel with a Presta valve will require a special adaptor to add air to it using a standard air pump. If you are having trouble with inflating your tire that has a Presta valve please consult this article.